Technical appendix Lucas

The Technical Appendix (18.6), taken from the Lucas Plastics Headlamp publication, shows these features. The improved photometric performance is particulary striking. 

6 TECHNICAL APPENDIX (taken from Lucas Plastics Headlamps ) 

Tensile strength at break Cross-breaking strength Impact strength 

25 pm Average deviation from general surface compared with pressed unground steel of 2.0 pm 

Where designs can keep stress below this figure a consequential rise in temperature is permitted. 

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